Alban Butler, The Lives of the Fathers, Martyrs…
“ For after the extinction of the Danish kingdom in Northumberland, and the death of Ethelfleda, countess of Mercia, there remained no petty sovereign in his dominions, which had always been the case from Egbert to his time. Athelstan also subdued the Welch and the Scots, and according to our historians made not only the former, but likewise the latter tributary, though this the Scottish writers deny with regard to their country. King Athelstan was a great lover of peace, piety, and religion: he was devout, affable to all, learned himself, and a patron of learned men ”
